Flow control apparatus and method

Details Flow control apparatus and method Flow control apparatus and method

1984-08-06

1988-11-08

Cohan, Alan

Fluid handling

Processes

Affecting flow by the addition of material or energy

138 44, F17D 116

Patent

active

047828471

ABSTRACT:
Apparatus, and method, for controlling the flow of dilute solutions of polymers such as dilute aqueous solutions of partially hydrolyzed polyacrylamides without causing any significant degradation of the polymer comprising the solutions. In one embodiment, the apparatus comprises a plurality of fixed restrictions connected in series with nipples having a larger internal diameter than the fixed restrictions. In another embodiment, the apparatus comprises at least one fixed restriction in communication with a flow control valve such as a needle valve.

REFERENCES:
patent: 1201964 (1916-10-01), Howard
patent: 2330564 (1943-09-01), Dyer
patent: 2629403 (1953-02-01), Allen
patent: 3371714 (1968-03-01), Katzer
patent: 4105049 (1978-08-01), Anderson

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